Should have said, “a round” or “a circle”.
As this Blender artist points out, ” when trying to make a circular array with that offset object as the center of the array circle, it always doesn’t behave quite like what’s expected. ”
It’s quite a powerful ability to create an circular array of instanced objects, but if the pivot for the whole object is in the center, well… it looses a lot of it’s use.
How to make a circular array using offset object as center presents some options.